Home / 8,024.10-11,981.46-7,185.72

Finding the Fourth Proportional to 8,024.10, 11,981.46 and 7,185.72

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Solution

The fourth proportional to 8,024.10, 11,981.46 and 7,185.72 is: 10,729.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,024.10 : 11,981.46 = 7,185.72 : x
  2. Step 2: Convert to fraction form
    8,024.10/11,981.46 = 7,185.72/x
  3. Step 3: Cross multiply
    8,024.10x = 11,981.46 × 7,185.72
  4. Step 4: Simplify right side
    8,024.10x = 86,095,416.75
  5. Step 5: Solve for x
    x = 86,095,416.75/8,024.10
  6. Step 6: Final answer
    x = 10,729.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.